HESS J1857+026
Pulsar wind nebula
From Wikipedia, the free encyclopedia
HESS J1857+026 is a pulsar wind nebula located approximately 9 kpc (29 kly) from Earth in the constellation of Aquila.
| Nebula | |
|---|---|
| Pulsar wind nebula | |
| Observation data: J2000 epoch | |
| Right ascension | 18h 56m 50.8s[1] |
| Declination | ±2° 45′ 50.2″[1] |
| Distance | ~9000[2] pc |
| Constellation | Aquila |
| Physical characteristics | |
| Dimensions | 0.11° x 0.08°[3] |
HESS J1857+026 releases γ-rays in the range of 0.8−45 TeV.[2] It is most likely powered by PSR J1856+0245, a pulsar located nearby.[4]
